Question

how many protons electrons and neutrons does a atom with the atomic number 50 and mass number 125 contain?

Answer 1

Protons: 50, Neutrons: 75, Electrons: 50

Step-by-step explanation:

The atomic number, which in this case is 50, determines the number of protons and electrons an atom has. Take the atomic number and subtract the number of protons to get the number of neutrons.